Number | Name | Date | Kind |
---|---|---|---|
1979706 | Reamy | Nov 1934 | |
2224168 | Tillyer et al. | Dec 1940 | |
4610942 | Yashiki et al. | Sep 1986 | |
5006217 | Koop | Apr 1991 | |
5089110 | Allen et al. | Feb 1992 | |
5120627 | Nozomi et al. | Jun 1992 | |
5186477 | Nakazawa et al. | Feb 1993 | |
5279916 | Sumino | Jan 1994 | |
5353472 | Benda et al. | Oct 1994 | |
5422144 | Speakman, Jr. | Jun 1995 |
Number | Date | Country |
---|---|---|
412232 | Apr 1909 | FRX |
2949916 | Jul 1980 | DEX |
3913978 | Nov 1989 | DEX |
3928300 | Feb 1991 | DEX |
3323306 | Dec 1993 | DEX |
6-170318 | Jun 1994 | JPX |
550250 | May 1942 | GBX |
Entry |
---|
Hawley's Condensed Chemical Dictionary, 12th Ed., p. 5, 1993. |